11
Operating Instruction & User’s Guide
4) PTZ Camera/Keyboard Controller
Connect PTZ control cable; TRX+, TRX- and GND to Terminal Block(TB1);No.4 TRXD+, No.5 TRXD- and No.10
GND in the rear of DVR. In case of HV-4U, connect PTZ control cable; TRX+ and TRX- to Terminal Block No.1
TRXD+ andNo.2 TRXD- directly. You may refer to APPENDIX for supported PTZ cameras in this manual.
Keyboard controller has the same connection as PTZ camera.
PTZ Camera may not be working properly if GND is not connected.
5) Sensor/Relay /TTL
Sensor and Relay are connected to Terminal Block(TB1) and Terminal Block(TB2) directly depending on the
model.
(1) Sensor Connection
①
Connect Sensor to Terminal Block (TB1) and S1 ~ S16 of Terminal Block (TB2) depending on the model.
②
Each input terminal may be connected regardless of the channel number.
Sensor types include Normal Close (NC) and Normal Open (NO). For more information
on setup by sensor type, refer to
{Menu}
{Setup}
{Definition}
{Event Source}
{Sensor Type}.
NC(Normal Close)
: Normally closed; opens when a signal is received.
NO(Normal Open)
: Normally open; closes when a signal is received.
(2) Relay Connection
①
Outputs alarm signals to external devices such as LED and siren by relaying them to these external
devices.
②
Connect Relay to R1 of Terminal Block (TB1).
Relay types include Normal Close (NC) and Normal Open (NO). For more information on
setup by sensor type, refer to
{Menu}
{Setup}
{Definition}
{Relay}
{Relay
type}.
NC(Normal Close)
: Normally closed; opens when a signal is received.
NO(Normal Open)
: Normally open; closes when a signal is received.
(3) TTL Connection
①
This is for the external alarm devices such as an alarm and a siren that are supplied with voltage level
LOW (0V) or HIGH (5V).
②
Connect TTL device to DO1 (TTL) / DO2 (TTL) / DO3 (TTL) of Terminal Block (TB2).
The external alarm device may require the power supply depending on its type.